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First Animals Arose in Lakes, Not Sea?
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30-07-2009 8:56pm#1Evidence is emerging that the world's first complex creatures evolved in lakes as opposed to the sea as had previously been assumed.a new study of one of the oldest known fossil beds has revealed abundant amounts of a mineral called smectite, which forms in salty, alkaline lakes—not seawater.
Full article here.
Photograph by M. Kennedy, UC Riverside2
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